C2221333133313331311233132313331333133313331321123231333133313121213131   >>    C222133313331333131123313231333133313331333132112323133313331312121313   <<    C2221333133313331311233132313331333133313331321123231333133313121213133   >>      C2221333133313331311233132313331333133313331321123231333133313121213132   >>